diff --git a/package.json b/package.json
index a483ba6..8f6fbde 100644
--- a/package.json
+++ b/package.json
@@ -62,7 +62,7 @@
     "ember-cli": "6.9.1",
     "ember-cli-clean-css": "3.0.0",
     "ember-cli-dependency-checker": "3.3.3",
-    "ember-cli-deprecation-workflow": "3.4.0",
+    "ember-cli-deprecation-workflow": "4.0.0",
     "ember-cli-inject-live-reload": "2.1.0",
     "ember-cli-sri": "2.1.1",
     "ember-cli-terser": "4.0.2",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c2d7560..9ce327e 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -85,8 +85,8 @@ importers:
         specifier: 3.3.3
         version: 3.3.3(ember-cli@6.9.1(@types/node@25.0.2)(handlebars@4.7.8)(underscore@1.13.7))
       ember-cli-deprecation-workflow:
-        specifier: 3.4.0
-        version: 3.4.0(ember-source@6.9.0(@glimmer/component@2.0.0)(rsvp@4.8.5))
+        specifier: 4.0.0
+        version: 4.0.0(@babel/core@7.28.5)
       ember-cli-inject-live-reload:
         specifier: 2.1.0
         version: 2.1.0
@@ -2733,11 +2733,8 @@ packages:
     peerDependencies:
       ember-cli: ^3.2.0 || >=4.0.0
 
-  ember-cli-deprecation-workflow@3.4.0:
-    resolution: {integrity: sha512-Ksrmib4mjD4xa0dqFgxJLBwkSp9EVYH6jSqe2NpODlBKEAZhsVzQj5wKPnC1dXfK3Erq/r1Fh3q4g46FZiCUiw==}
-    engines: {node: '>= 18'}
-    peerDependencies:
-      ember-source: '>= 3.28.0'
+  ember-cli-deprecation-workflow@4.0.0:
+    resolution: {integrity: sha512-HGF7LSz6f8Vx3sISYXnoiuk+8eBULUt7cS/U1YwGMAJtXvL1jvz8PvyAPyrBpcyNP85U+u+3UdKeTWG0HuLbNw==}
 
   ember-cli-get-component-path-option@1.0.0:
     resolution: {integrity: sha512-k47TDwcJ2zPideBCZE8sCiShSxQSpebY2BHcX2DdipMmBox5gsfyVrbKJWIHeSTTKyEUgmBIvQkqTOozEziCZA==}
@@ -9563,12 +9560,12 @@ snapshots:
       resolve: 1.22.11
       semver: 5.7.2
 
-  ember-cli-deprecation-workflow@3.4.0(ember-source@6.9.0(@glimmer/component@2.0.0)(rsvp@4.8.5)):
+  ember-cli-deprecation-workflow@4.0.0(@babel/core@7.28.5):
     dependencies:
-      '@babel/core': 7.28.5
-      ember-cli-babel: 8.2.0(@babel/core@7.28.5)
-      ember-source: 6.9.0(@glimmer/component@2.0.0)(rsvp@4.8.5)
+      '@embroider/addon-shim': 1.10.2
+      decorator-transforms: 2.3.0(@babel/core@7.28.5)
     transitivePeerDependencies:
+      - '@babel/core'
       - supports-color
 
   ember-cli-get-component-path-option@1.0.0: {}